Another new error: clean, build, etc. not found

Lately, PIO has been telling me that Build, Clean, etc. are not found. I can’t clean or build. That seemed random, but it’s happening a lot now.

There’s also this new thing:
Error: Multiple requests to rebuild the project “Dashboard_Receiver_ESPNow_DOIT” index have been received! Automatic index rebuilding process has been terminated for 10 minutes. at A.value (c:\Users\joema.vscode\extensions\platformio.platformio-ide-2.3.1\node_modules\platformio-node-helpers\dist\index.js:1:935337) at A.value (c:\Users\joema.vscode\extensions\platformio.platformio-ide-2.3.1\node_modules\platformio-node-helpers\dist\index.js:1:938227) at A.value (c:\Users\joema.vscode\extensions\platformio.platformio-ide-2.3.1\node_modules\platformio-node-helpers\dist\index.js:1:940063) at c:\Users\joema.vscode\extensions\platformio.platformio-ide-2.3.1\node_modules\platformio-node-hel…